Dense fog swirled along the Ohio River in Cincinnati on Friday, December 1. The National Weather Service issued a fog advisory for southern Ohio and northern Kentucky late on November 30, stretching into Friday morning.

The weather service warned of patchy dense fog during the Friday morning commute that could continue until late morning in river valley areas.

This video is a timelapse of the fog along the Ohio River in Cincinnati. Credit: Instagram/Lucas B. Munz via Storyful